Victron GX LTE 4G-A Cellular Modem f/GX Devices - North America Only [GSM100200400]GX LTE 4G A Cellular Modem for GX Devices North America Only The GX LTE 4G is an accessory for GX devices. It is a cellular modem that supports 2G, 3G, and 4G technologies. It provides mobile internet for the system and a connection to the Victron Remote Management (VRM) portal. Built in GPS Receiver The GX LTE 4G includes a built in GPS receiver. When the optional active GPS antenna is installed, the system can be tracked as well as geo fenced on the